When you deploy a Windows XP SP3 reference image, and you use the Task Sequence to add certain soundcard drivers you might face the problem that your soundcard drivers are installed but at the end there is no sound. Apparently if you do not log in without a user on your XP SP3 windows can't detect a part of the soundcard device. A possible solution that worked for me is installing the sound device manually and using the application drivermax (http://www.innovative-sol.com/drivermax/) to capture...(read more)

Read the complete post at http://scug.be/blogs/sccm/archive/2008/12/05/sccm-2007-solution-for-audio-issue-when-building-your-windows-xp-sp3-reference-image.aspx